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Home >> Lexus >> 2017 >> IS 300 F Sport >> Repair and Diagnosis >> External Pages >> Different car >> Section 176 (Automatic Transmission System (A760H) - Diagnostic Codes (1 Of 3)) >> AUTOMATIC TRANSMISSION SYSTEM (for 2GR-FKS) >> DTC P0720-31: Output Speed Sensor No Signal [10/2017 - 09/2019] >> Caution / Notice / Hint

Caution / Notice / Hint

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NOTE:
  1. DATA LIST 
    NOTE:

    In the table below, the values listed under "Normal Condition" are reference values. Do not depend solely on these reference values when deciding whether a part is faulty or not.

    HINT: 

    Using Techstream to read the Data List allows the values or states of switches, sensors, actuators and other items to be read without removing any parts. This non-intrusive inspection can be very useful because intermittent conditions or signals may be discovered before parts or wiring is disturbed. Reading the Data List information early in troubleshooting is one way to save diagnostic time.

    1. Warm up the engine.
    2. Turn the engine switch off.
    3. Connect the Techstream to the DLC3.
    4. Turn the engine switch on (IG).
    5. Turn the Techstream on.
    6. Enter the following menus: Powertrain / Transmission / Data List.
    7. According to the display on the Techstream, read the "Data List".

      Powertrain > Transmission > Data List 

      Tester Display Measurement Item Range Normal Condition Diagnostic Note
      Speed (SP2) Output shaft speed Min.: 0 km/h (0 mph)
      Max.: 255 km/h (158 mph)
      0 km/h (0 mph): Vehicle stopped (Output shaft speed is equal to vehicle speed) -

      Powertrain > Transmission > Data List 

      Tester Display
      Speed (SP2)

      HINT: 

      • Speed (SP2) is always 0 while driving:

        Open or short in the sensor or circuit.

      • The Speed (SP2) value displayed on the Techstream is much lower than the actual vehicle speed:

        Sensor malfunction, improper installation, or intermittent connection malfunction of the circuit.